Parker Compumotor User manual

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Compumotor Division
Parker Hannifin Corporation
pIn 88-o045n-03 A
Parkar
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PRODUCT NOTICE
Operating the L20 Linear Motor with the LE Drive
This product notice is a supplement to the LE Drive User Guide, part number 88-004577-03 A.
Performance
Considerations
Cooling
The LE Drive can be used in linear applications requiring low
EMI
emissions. The L20 forcer is normally run at 2.7 A.
producing an average static force of 20 lbs. The maximum
current setting on the LE Drive is 2A: consequently. at 2A. the
L20's static force is reduced to about 151bs. The maximum bus
voltage of the LE Drive is ±24V; therefore. the maximum
velocity of the L20 forcer is limited to about 25 inches/second
(ips).
To
ensure smooth operation and optimum microstep-to-
microstep accuracy, the L20 linear motor is factory-tuned to
the LE Drive with which it is ordered. For best performance.
the L20 forcer must be used with the corresponding LE Drive.
Both
the LE Drive and the accompanying L20 forcer have the
same serial number.
_When an L20 forcer is run With another LE Drive. it may run
rough. and the maximum cyclic-error (measure of the
microstep-to-microstep error) may double or triple. The
maximum cyclic error is ±0.OO03 inches (±7.6 microns).
To
change the forcer's default direction of travel. exchange the
Direction + input with the Direction - input coming into the
drive. Do not change the phasing on the forcer cable.
Changing the motor phasing makes the factory tuning
invalid.
The LE Drive heat Sinking capability is marginal at 2A
operation. The
LE Drive. however. does not come with an
optional fan kit: therefore. Compumotor strongly
recommends you use a fan for extra cooling. You can also
operate the LE Drive at a lower current to prevent thermo-
related shutdowns.
If accuracy and/ or repeatability are important. do not use the
standby mode. This may change the motor's position slightly
when the current is reduced. Do not use the current boost
mode.
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2 PRODUCT NOTICE: LE DRIVE WITH L20
LE Drive DIP
Switch Settings
,.--.
LIE
Drive DIP
1 2 3 4
ON ON ON ON
---- ----
----
----
~-
----
---- ---- ----
~-
----
----
----
----
----
----
----
--_ ...
1---
---- ---- ----
...... - ...
I----
---- ----
----
... ---
'----
SWitch
5
----
OFF
----
----
----
----
----
The use the L20 linear motor with the LE Drive, the LE Drive
DIP switches must be set according to Table 1 below.
Settings
6 7 8
Function
--- ...
----
---- 2.0A Current Settina
--- ...
----
---- Motor Standby Disabled
ON
...... --
----
Reserved (must be ON)
---- OFF
OFF
25,400 steps/in (1,000 steps/rev)
---.
OFF ON
20,000 steps/in (40,000 steps/rev)
----
ON
OFF
12,700 steDs/in (500 steDs/rev)
---- ON
.. .2:L
10,000 steps/in(20,OOO steps/rev)
Table 1. LE DIP Switch Settings for the L20 Linear Motor
Connecting the L20 Use Figure 1 below as a gUide for connecting the L20 forcer to
Forcer the LE Dnlve.
Phase A+ = Red
Phase A- = Black
Phase B+ = White
Phase B- =Green
Figure 1. Connecting the L20 Forcer to the LE Drive
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T'ECHNICAL
B1JLLETIN PARKER COMPUMOTOR
No. 125
PRODUCT: LE Drive
DESCRIPTION: Temperature Specifications
SOFTWARE AFFECTED: n/a
NEXT SCHEDULED RELEASE: n/a
July 12, 1988
Recently it was discovered that the temperature
specification for the LE Dri.ve in both the manual and our
catalog was incorrect. The manual and catalog specify a 50°C
ambient operating temperature.
The actual ambient operating temperature should be 40°C.
If it: is not run at this temperature fan cooling may be
necessary or the drive will fault due to overtemperature.
PIN: 88-006277-09
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LE-Series Operator's Manual
COMPUMOTOR CORPORATION
LE-Drive Operator's Manual
Table of Contents
Desc:riptlon
Inspection and Warranty Infomatioln
Initial Functional Check
Ins.t:allation and Hookup
1. Mounting
A. Panel Mount
B. Cooling
2. Wiring
A. Motor Connections
B. Line Power Connections
C. Indexer Connect:l.ons
D.
Configuration S~dtchea
3. Fuses
4. Environmental Considerations
Operation
1. Introduction
2. Visual Indicators
3. Indexer Inputs
A. Step Input
B. Direction Input
C. Remote Power Shutdown (RPS) Input
D. Overdrive Input
4. Motor Compatibility
5.
Line Power Considerations
Spe(~if1cations
Input and Output Description
App4!ndicesAppendix
A:
Appendix B:
Appendix C:
,Appendix D:
Connector listing
LE-Drive dimensional drawlng
Switch location drawing
Voltage selection instruction
Copyright 1985, Compumotor Corporation
Specifications subject to change without notice.
Compumotor
1
2
3
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6
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9
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16
p.i
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